Home / 107,232.80-160,849.20-106,541.60

Finding the Fourth Proportional to 107,232.80, 160,849.20 and 106,541.60

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Solution

The fourth proportional to 107,232.80, 160,849.20 and 106,541.60 is: 159,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,232.80 : 160,849.20 = 106,541.60 : x
  2. Step 2: Convert to fraction form
    107,232.80/160,849.20 = 106,541.60/x
  3. Step 3: Cross multiply
    107,232.80x = 160,849.20 × 106,541.60
  4. Step 4: Simplify right side
    107,232.80x = 17,137,131,126.72
  5. Step 5: Solve for x
    x = 17,137,131,126.72/107,232.80
  6. Step 6: Final answer
    x = 159,812.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.